@Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; PPNPrivacyPreferenceTreeModel other = (PPNPrivacyPreferenceTreeModel) obj; if (affectedCtxId == null) { if (other.affectedCtxId != null) return false; } else if (!affectedCtxId.equals(other.affectedCtxId)) return false; if (myContextType == null) { if (other.myContextType != null) return false; } else if (!myContextType.equals(other.myContextType)) return false; if (myPrivacyType != other.myPrivacyType) return false; if (pref == null) { if (other.pref != null) return false; } else if (!pref.equals(other.pref)) return false; if (requestor == null) { if (other.requestor != null) return false; } else if (!requestor.equals(other.requestor)) return false; return true; }